//functionality ---- Adding new entry
//functionality ---- Printing the entry based on part number
//functionality ---- Modifying on hand , given the part number
//functionality ---- Print the the complete database 
//functionality ---- Terminate
#include<stdio.h>
#define MAX_PARTS 100
 
 struct part {
int number;
char name[40];
int on_hand;
}dbcreation[MAX_PARTS];
 
int num_parts  = 0;
int find_part(int);
void insert(void);
void search(void);
 
int find_part(int part_no)
{ int i;
 
for(i=0;i< num_parts;i++)
    if(dbcreation[i].number == part_no)
        return i;
return -1;
}
 
void insert(void)
{
int part_number;
 
if(num_parts == MAX_PARTS){
    printf("Database is full; can't add more parts\n");
    return;
    }
 
printf("Enter part number : ");
scanf("%d",&part_number);
 
if(find_part(part_number)>=0) {
    printf("\n Part already exists \n");
    //exit(0);
    return;
    }
    
    dbcreation[num_parts].number = part_number;
    printf("Enter part name : ");
    //gets(dbcreation[num_parts].name);
    scanf("%s",dbcreation[num_parts].name);
    printf("Enter quantity on hand : ");
    scanf("%d",dbcreation[num_parts].on_hand);
    num_parts = num_parts + 1;  
    printf("%d",num_parts);
}
 
void search(void)
{
int number,i;
 
printf("Enter part number: ");
scanf("%d",&number);
i= find_part(number);
 
if(i>=0)
{
    printf("Part name : %s\n",dbcreation[i].name);
    printf("Enter quantity on hand: %d\n",dbcreation[num_parts].on_hand);
}
else 
    printf("Part Not Found");
 
}
 
int main()
{
char code;
//char answer;
//for(;;)
    {
    printf("You can perform the following Operations :\n ");
    printf("1. Insert a New Part (i)\n");
    printf("2. Search operation (s)\n");
    printf("3. Quit(q)\n");
    printf("Enter operation code: ");
    scanf("%c",&code);
    while(getchar()!= '\n')
    ;
    switch(code){
    case 'i': insert();
              printf("%d",num_parts);
              printf("\n****Part Details inserted successfully !****\n");
            break;
 
    case 's': search();
                break;
 
    case 'q': return 0;
              break;
            
    default : printf("Please enter legal code\n");
                }
    printf("\n");
    //printf("Do you want to continue? (y or n)\n");
    //scanf("%c",&answer);
    }
}